KR970058021A - 라이트 밸브와 이를 이용한 투사장치(Projection system) - Google Patents

라이트 밸브와 이를 이용한 투사장치(Projection system) Download PDF

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Publication number
KR970058021A
KR970058021A KR1019950050661A KR19950050661A KR970058021A KR 970058021 A KR970058021 A KR 970058021A KR 1019950050661 A KR1019950050661 A KR 1019950050661A KR 19950050661 A KR19950050661 A KR 19950050661A KR 970058021 A KR970058021 A KR 970058021A
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KR
South Korea
Prior art keywords
polarizing plate
liquid crystal
light valve
crystal display
display elements
Prior art date
Application number
KR1019950050661A
Other languages
English (en)
Other versions
KR0176426B1 (ko
Inventor
이응상
Original Assignee
윤종용
삼성전관 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 윤종용, 삼성전관 주식회사 filed Critical 윤종용
Priority to KR1019950050661A priority Critical patent/KR0176426B1/ko
Priority to JP8328236A priority patent/JP3011893B2/ja
Priority to GB9625829A priority patent/GB2308202A/en
Priority to DE19652045A priority patent/DE19652045A1/de
Publication of KR970058021A publication Critical patent/KR970058021A/ko
Application granted granted Critical
Publication of KR0176426B1 publication Critical patent/KR0176426B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133533—Colour selective polarisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)

Abstract

액정 라이트 밸브와 이를 이용한 투사장치를 개시한다.
본 발명은 광원과; 이 광원의 전면에 설치되는 것으로, 상호 적층된 세개의 액정표시소자와, 상기 액정표시소자의 사이에 설치되는 시안편광판, 그린 편광판, 레드 편광판, 마젠타 편광판이 개재되어 구성된 라이트 밸브와; 이 라이트 밸브의 전면에 설치되는 투사렌즈군; 을 구비하여 된 것에 그 특징이 있으며, 이는 투사장치의 박형화 및 소형화가 가능하고 광이용 효율을 향상시킬 수 있는 이점을 가진다.

Description

라이트 밸브와 이를 이용한 투사장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 발명에 따른 투사장치를 개략적으로 도시한 측면도.
제5도는 감법혼색의 원리를 도시한 도면.
제6도는 본 발명에 따른 라이트 밸브의 각 액정표시소자에 의해 칼라 화소가 형성되는 상태를 도시한 도표.

Claims (2)

  1. 광원과, 이 광원의 전면에 설치되어 칼라 화상을 형성하는 라이트 밸브에 있어서, 상호 적층된 세개의 액정표시소자와, 상기 액정표시소자의 사이에 설치되는 시안편광판, 그린 편광판, 레드 편광판, 마젠타 편광판이 개재되어 구성된 것을 특징으로 하는 액정 라이트 밸브.
  2. 광원과; 이 광원의 전면에 설치되는 것으로, 상호 적층된 세개의 액정표시소자와, 상기 액정표시소자의 사이에 설치되는 시안편광판, 그린 편광판, 레드 편광판, 마젠타 편광판이 개재되어 구성된 라이트 밸브와; 이 라이트 밸브의 전면에 설치되는 투사렌즈군; 을 구비하여 된 것을 특징으로 하는 투사 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950050661A 1995-12-15 1995-12-15 라이트 밸브와 이를 이용한 투사장치 KR0176426B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019950050661A KR0176426B1 (ko) 1995-12-15 1995-12-15 라이트 밸브와 이를 이용한 투사장치
JP8328236A JP3011893B2 (ja) 1995-12-15 1996-12-09 液晶ライトバルブ及びこれを用いた投射装置
GB9625829A GB2308202A (en) 1995-12-15 1996-12-12 Subtractive colour liquid crystal device
DE19652045A DE19652045A1 (de) 1995-12-15 1996-12-13 Flüssigkristall-Lichtventil und dieses verwendendes Projektionssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950050661A KR0176426B1 (ko) 1995-12-15 1995-12-15 라이트 밸브와 이를 이용한 투사장치

Publications (2)

Publication Number Publication Date
KR970058021A true KR970058021A (ko) 1997-07-31
KR0176426B1 KR0176426B1 (ko) 1999-05-01

Family

ID=19440570

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950050661A KR0176426B1 (ko) 1995-12-15 1995-12-15 라이트 밸브와 이를 이용한 투사장치

Country Status (4)

Country Link
JP (1) JP3011893B2 (ko)
KR (1) KR0176426B1 (ko)
DE (1) DE19652045A1 (ko)
GB (1) GB2308202A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080028548A (ko) * 2006-09-27 2008-04-01 일진디스플레이(주) 단판식 액정 투사 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4011893A1 (de) * 1990-04-12 1991-10-17 Liesegang Fa Ed Fluessigkristallzellenanordnung
US5122887A (en) * 1991-03-05 1992-06-16 Sayett Group, Inc. Color display utilizing twisted nematic LCDs and selective polarizers
JPH05127189A (ja) * 1991-11-07 1993-05-25 Hitachi Ltd カラー表示装置
US5751385A (en) * 1994-06-07 1998-05-12 Honeywell, Inc. Subtractive color LCD utilizing circular notch polarizers and including a triband or broadband filter tuned light source or dichroic sheet color polarizers

Also Published As

Publication number Publication date
DE19652045A1 (de) 1997-06-19
JP3011893B2 (ja) 2000-02-21
GB9625829D0 (en) 1997-01-29
JPH09179115A (ja) 1997-07-11
GB2308202A (en) 1997-06-18
KR0176426B1 (ko) 1999-05-01

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